Características de las PYME

PROBLEM POSSIBLE CAUSE REMEDY

[1] The icemaker will not start.

a) Power Supply 1. OFF position. 1. Move to ON position. 2. Loose connection. 2. Tighten.

3. Bad contacts. 3. Check for contintinuity and replace.

4. Blown fuse. 4. Replace. b) Power Switch

(Control Box) 1._2. Off position._{Bad contacts.} 1._2. Move to ON position._{Check for continuity} and replace.

c) Fuse (Control Box) 1. Blown out. 1. Check for short circuit and replace.

d) Circuit Protect Relay 1. Miswiring. 1. Check power supply voltage and wire properly.

e) Flush Timer 1. Flushing out. 1. Wait for 15 minutes. 2. Bad contacts. 2. Check for continuity

and replace.

f) Flush Switch 1. FLUSH position. 1. Move to ICE position. 2. Bad contacts. 2. Check for continuity

and replace. g) Transformer 1. Coil winding opened. 1. Replace. h) Control Water Valve 1. Coil winding opened. 1. Replace. i) Shut-off Valve 1. Closed. 1. Open.

2. Water failure. 2. Wait till water is supplied. j) Plug and Receptacle

(Control Box) 1._2. Disconnected._{Terminal out of Plug} 1. Connect.

or Receptacle. 2. Insert Terminal back inposition [2] Water flow does not

stop, and the icemaker will not start

a) Water Control Relay 1. Contact fused. 1. Replace. 2. Coil winding opened. 2. Replace.

b) Float Switch 1. Bad contacts. 1. Check for continuity and replace. 2. Float does not move

freely.

2. Clean or replace. c) Flush Water Valve 1. Valve seat clogged

and water leaking.

1. Clean or replace d) Hoses 1. Disconnected. 1. Connect. [3] Water has been

supplied, but the icemaker will not start.

a) Water Control Relay 1. Bad contacts. 1. Check for continuity and replace. b) Bin Control 1. Bad contacts. 1. Check for continuity

and replace. 2. Activator does not

move freely.

2. Clean Axle and its corresponding holes or replace Bin Control. c) Gear Motor Relay 1. Coil winding opened. 1. Replace.

2. bad contacts. 2. Check for continuity and replace. d) Control Timer

(Printed Circuit Board)

1. Broken. 1. Replace. e) Gear Motor Protect

Relay

1. Coil winding opened. 1. Replace.

2. Bad contacts. 2. Check for continuity and replace.

36

PROBLEM POSSIBLE CAUSE REMEDY

[4] Water has been supplied, Fan Motor starts, but Gear Motor and

Compressor will not start.

a) Gear Motor Fuse (BUSSMAN GMD 1.5A)

1. Blown Fuse. 1. See "3. [3]." Find out the cause and replace the Fuse.

b) Thermal Protector (Gear Motor)

1. Bad contacts. 1. Check for continuity and replace. [5] Gear Motor and

Compressor start but operate intermittently.

a) Pressure Switch 1. Dirty Air Filter or Condenser. 1. Clean. 2. Ambient or condenser water temperature too warm. 2. Get cooler. 3. Condenser water pressure too low or off. (Water-cooled model only)

3. Check and get recommended pressure. 4. Water Regulating

Valve set too high. (Water-cooled model only)

4. Adjust it lower.

5. Fan not rotating. 5. See "3. [1] a) Fan Motor." 6. Refrigerant overcharged. 6. Recharge. 7. Refrigerant line or components plugged.

7. Clean and replace drier.

8. Bad contacts. 8. Check for continuity and replace. 9. Loose connections. 9. Tighten. [6] Gear Motor starts,

but Compressor will not start or operates intermittently.

a) X2 Relay on Control Timer

1. Bad contacts. 1. Replace.Check for continuity and replace. 2. Coil winding opened. 2. Replace Timer. b) Starter 1. Bad contacts. 1. Check for continuity

and replace. 2. Coil winding opened. 2. Replace. 3. Loose Connections. 3. Tighten. c) Start Capacitor or

Run Capacitor

1. Defective. 1. Replace. d) Compressor 1. Loose connections. 1. Tighten.

2. Motor winding opened or grounded.

2. Replace.

3. Motor Protector tripped.

3. Find out the cause of overheat or

overcurrent. e) Power Supply 1. Circuit Ampacity too

low.

1. Install a larger-sized conductor.

[7] Gear Motor and Compressor start, but no ice is produced.

a) Refrigerant Line 1. Gas leaks. 1. Check for leaks with a leak detector. Reweld leak, replace drier and charge with refrigerant. The amount of refrigerant is marked on Nameplate or Label. 2. refrigerant line clogged.

2. Replace the clogged component.

37

2. Low Ice Production

PROBLEM POSSIBLE CAUSE REMEDY

[1] Low ice production a) Refrigerant Line 1. Gas leaks. 1. See "1. [5] a) Refrigerant Line." 2. Refrigerant line

clogged.

2. Replace the clogged component.

3. Overcharged. 3. Recharge.

b) High-side Pressure Too High

1. Dirty Air Filter or Condenser. 1. Clean. 2. Ambient or condenser water temperature too warm. 2. Get cooler. 3. Condenser water pressure too low or off. [Water-cooled model only]

3. Check and get recommended pressure. 4. Fan rotating too

slow. 4. See "3 [1] a) Fan Motor." 5. Water Regulating Valve clogged. [Water-cooled model only] 5. Clean.

6. Condensing unit out of order. 6. Check condensing unit. c) Expansion Valve (not adjustable) 1. Low-side pressure too low. 1. Replace. 2. Low-side pressure too high. 2. See if Expansion Valve Bulb is mounted properly, and replace the valve if necessary.

38

3. Other

PROBLEM POSSIBLE CAUSE REMEDY

[1] Abnormal noise a) Fan Motor 1. Bearing worn out. 1. Replace.

2. Fan blade deformed. 2. Replace fan blade. 3. Fan blade does not

move freely.

3. Replace.

b) Compressor 1. Bearings worn out,

or cylinder valve broken.

1. Replace.

2. Mounting pad out of position.

2. Reinstall. c) Refrigerant Lines 1. Rub or touch lines or

other surfaces.

1. Replace. d) Gear Motor (Ice

Making)

1. Bearing or Gear worn out / damaged.

1. Replace.

e) Evaporator 1. Too much pressure

loss.

1. Replace. 2. Scale on inside wall

of Freezing Cylinder.

2. Remove Auger. Use "SCALE AWAY" or "LIME-A-WAY" solution to clean periodically. If the water is found hard by testing, install a softener. [2] Overflow from

Reservoir (Water does not stop.)

a) Water Supply 1. Water pressure too high.

1. Install a pressure Reducing Valve b) Control Water Valve 1. Diaphragm does not

close.

1. Clean or replace. c) Float Switch 1. Bad contacts. 1. Check for continuity

and replace. [3] Gear Motor Fuse

blown frequently.

a) Power Supply Voltage

1. Too high or too low. 1. Connect the unit to a power supply of proper voltage. b) Ice Making Unit 1. Bearings or Auger

worn out.

1. Replace Bearing or Auger.

c) Bin Control 1. Bad contacts. 1. Check for continuity

and replace. 2. Activator does not

move freely.

2. Clean Axle and its corresponding holes or replace Bin Control.

39